ATI TEAS: Practice Test Part 1
This flashcard set covers essential biomolecules—nucleic acids, proteins, lipids, and carbohydrates—as well as fundamental energy types like potential and mechanical energy. It helps reinforce the relationship between structure and function in biology and biochemistry.
Nucleic acid
Allows organisms to transfer genetic information info Fomites one generation to the next
Key Terms
Nucleic acid
Allows organisms to transfer genetic information info Fomites one generation to the next
(2) types of nucleic acids
1. DNA
2. RNA
Protein
Enzyme catalyst
Used to transport molecules
Store molecules
Lipids
Storage
Structural components of cell membranes
Carbohydrates
Supply energy for body processes
Fat oxidation
Which of the following is the form of energy contained in. Turing molecules and in ATP’s high-energy bonds?
Potential energy
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| Term | Definition |
|---|---|
Nucleic acid | Allows organisms to transfer genetic information info Fomites one generation to the next |
(2) types of nucleic acids |
2. RNA |
Protein | Enzyme catalyst |
Lipids | Storage Structural components of cell membranes |
Carbohydrates | Supply energy for body processes Fat oxidation |
Which of the following is the form of energy contained in. Turing molecules and in ATP’s high-energy bonds? | Potential energy |
Mechanical energy | Sum of potential energy & kinetic energy Energy associated w/movement & position of object |
Potential energy | “Stored energy “ |
Kinetic energy | Energy in “MOTION” |
Radiation energy | Energy of electromagnetic waves |
Which of the following best explains the maintenance of a nearly constant avg temp. Of the structure of the earth? | The amounts of solar energy absorbs radiant energy , emitted by the earth existic in equilibrium |
Drugs that STOPS the function of enzyme DNA polymerase would | Block replication of DNA carrying genetic code in the nucleus |
Which of the following describes the function of ribosomes in living cells ? | Use of genetic information to build specific protein in molecules |
Ribosomes | Site of translation of the genetic code of DNA and RNA into the amino acid code of protein
|
Which of the following organ systems is responsible for transporting nutrients, waste, and other substance tnroughout the human body ? | Circulatory system |
Respiratory system | Tubes used to carry air to lungs Gas exchange takes place |
Immune system | Protect against disease by identifying pathogens * protects body against infectious agents using WBC & antibodies |
Nervous system | Controls all systems |
Circulatory | Transports materials , nutrients to cells *waste from cells |
Primary function of the cells lining trachea and bronchi is to ? | Secrete mucous Propel trapped debris toward the pharynx |
Function of cell membrane | Surround cytoplasm * separate intracellular components from extra cellular environment |
Histamine | Major factor in inflammatory response system |
Digestive system | Facilitates absorption of substances into the bloodstream |
Hydrogen bonding | Attractive force between (1) electronegative atom & hydrogen covalent bond to another electronegative body. |
Capillary action | Movement of liquids in thin tubes | Flow of liquids through porous media, such as flow of H20 through soil |
Which of the following structures w/ in a human cell is responsible for recycling the materials no longer functional or needed within cell ? | Lysosomes |
Ribosomes | Synthesis of protein, according to sequence of amino acids | Specified in messenger RNA |
Lysosomes | Specialized membranes bound vessels contain enzymes for molecular digestion
|
Mitochondria | "Powerhouse of cell" | * # of enzymes & proteins that help process carbs &rafts obtained from food we eat / release energy |
Nucleus | Component of Eukaryotic cells
|
Lysosomes | Specialize vacuoles containing a digestive enzyme |
Hemophilia | Cluster of hereditary genetic disorders where he body's ability to control or stop bleeding with help of blood clotting or coagulation |
Anemia | RBC count in blood or the amount of hemoglobin is below the normal rate level
|
Hypertension | Increase in diastolic blood pressure |
Leukemia | Form of blood cancer from abnormal growth of WBC in human body |
The sugars for,ing the backbone of a nucleic acid molecule are linked by ? | Phosphide ester bonds |
Ionic bonds | Transfer of electrons from one atom to another creating two charged |
Cerebellum | Coordinates motor activities | * maintains balance,equilibrium, posture |
Brain stem | Controls flow of messages between brain & rest of the body |
Thalamus | Transmit movement | Sensory information |
Hypothalamus | Control center for autonomic functions |
Chemistry: | CO | Polar covalent compound | Compound made up of non-metals |
Chemistry : what kind of bond? | H2O | Covalent bond |
Chemistry: what kind of bond? | NaCI | Table salt ( ionic bond) |
Chemistry: what kind of bond ? | NH3 | Simple stable compound |
Ionic compound | Bond between (+) charged molecule (cation) with a (-) charged molecule |
The best direct method of assessing global climate change is to measure changes over time is? | Surface temperatures of the earth | Surface temperatures are directly affected by climate change and are best method for assessing those changes |
Plasmodesmata | Small channels that directly connect the cytoplasm of neighbor plant cells |
Plastids | Doubled membranes "sac-like" organelles
|
Centrioles | Produce spindle fibers that pull chromatids apart |
Telomeres | Caps at the end of each strand of DNA that protect our chromosomes, like the plastic tips at the end of shoe laces |
During the transcription of the Eukaryotic genetic code of DNA into RNA , certain regions are removed from the mature transcript. These regions are called ? | Introns |
Introns | Non-coding segment of DNA that interrupts a gene coding sequence or non-translating sequence corresponds segment removed from RNA copy before transcripts |
Exons |
|
Operons | *functioning unit of genomic DNA containing cluster of genes under the control of a single promoter |
Alleles |
|
In a chemical reAction , a metal will become ? | A cation by losing electrons |
Explain what happens in the circulatory system during hyperventilation | The carbon dioxide level decreases and the blood PH increases , causing constriction and hypoxia |
Function of RNA in eukaryotic cells is to | Provide template for protein synthesis
|
Which enzyme breaks down complex carbohydrates ? | Amylase |
Amylase | Breaks down complex starch | Carbs into maltose , a simple disaccharide |
Pepsin | Enzyme |
Lactose | Sugar found in milk | Lg sugar molecule made up of 02 sugar molecules |
LipAse | Protein enzyme |
Alzheimer's disease | Type of dementia that causes problems with memory thinking and behavior |
Chronic bronchitis | Inflammation of the lining of the airways of bronchial tubes |
Emphysema | Chronic lung disease |
Conditions that help a species escape extinction in the face of changing of environmental conditions, such as habital destruction? | Generalized distribution |
Exterminate specialization | Adaption as of an organ or species, to specific function or environment |
Small populations |
| * due to loss of genetic variability inbreeding and genetic drift |